| R2-2021-0030 | Resolution No. R2-2021-0030, Amendment of Cease and Desist Order NO. R2-2019-0007 for California Department of Transportation | Order | All Counties | December | 2021 |
| R2-2021-0029 | Order No. R2-2021-0029 Waste Discharge Requirements for Tesoro Refining and Marketing Company, LLC, Tesoro Martinez Facility | Permits | Contra Costa County | December | 2021 |
| R2-2021-0026 | Order No. R2-2021-0026 Waste Discharge Requirements for Mt. View Sanitary District, Mt. View Sanitary District Wastewater Treatment Plant and its Collection System | Permits | Contra Costa County | December | 2021 |
| R2-2021-0025 | Order No. R2-2021-0025 Waste Discharge Requirements for Crockett Cogeneration LLP, Crockett Cogeneration Plant | Permits | Contra Costa County | December | 2021 |
| R2-2022-1001 | Order No. R2-2022-1001 Administrative Civil Liability in the Matter of City of San Mateo, Unauthorized Discharge to San Mateo Creek | ACL | Santa Clara County | January | 2022 |
| R2-2022-0001 | Order No. R2-2022-0001 Rescission of Site Cleanup Requirements (Order No. R2-2005-0032)and Requirement for Technical Report for: Teltec Corporation (former)Universal Paint Corporation, Robert Stribling, Adelaide Garoppo, Richard and Jenny Cotarelo | Order | Santa Clara County | January | 2022 |
| R2-2022-0006 | Order No. R2-2022-0006 Waste Discharge Requirements for City of San Leandro, City of San Leandro Pollution Control Plant - Treatment Wetland | Order | Alameda County | February | 2022 |
| R2-2022-0003 | Order No. R2-2022-0003 Waste Discharge Requirements for Napa Sanitation District, Soscol Water Recycling Facility and its Collection System | Order | Napa County | February | 2022 |
| R2-2020-0031 | Resolution No. R2-2020-0031 Amending the Water Quality Control Plan for the San Francisco Bay Basin to Establish Chlorine Water Quality Objectives, to Replace the Total Residual Chlorine Technology-Based Effluent Limitation with Water Quality-Based Effluent Limitations, and to Make Minor Editorial Revisions | Resolution | All | November | 2020 |
| R2-2022-0011 | Order No. R2-2022-0011 Updated Waste Discharge Requirements and Rescission of Orders No. 96-079, R2-2002-0066 and R2-2006-0008 for: West County Landfill, Inc., West Contra Costa Sanitary Landfill, Inc., West Contra Costa Sanitary Landfill, Class II Solid Waste Management Facility | Order | Contra Costa County | March | 2022 |
